This book tried to find the answers to questions like- By which strategies and settings, the academic achievement of students can be raised up to some standard? How can we proceed with cooperative learning methods in Indian classrooms? Among a set of cooperative learning methods which one is more appropriate to teach a class constructed with a wide variety in caste, class, religion, region and different set of values? How conventional methods of teaching in Indian classroom overcome by cooperative learning methods? With which cooperative learning setting a learner can enhance self-concept optimum? How experiences in cooperative and non-cooperative environment play a role in teaching-learning process? Finally, how Student-Teams Achievement Divisions (STAD) and Jigsaw methods of cooperative learning helpful in raising scholastic achievement and self-concept among students of seventh graders in the subject Mathematics? This book is not written by an expert person and does not claim to address experts in this field; rather, it is addressed to pupil teachers, in-service teachers, researchers and non-experts but enthusiastic to do something new to gain more. It shall provide an introduction to cooperative learning methods involving Student-Teams Achievement Divisions (STAD) and Jigsaw. It enables the reader to proceed for comparatively new learning strategies in collaboration.